Charles Macias is the Chief Quality Officer and Vice Chair of Quality for the University Hospitals Rainbow Babies and Children’s system of care in Cleveland Ohio and its Division Chief for Pediatric Emergency Medicine. He is a co-chair of the Improving Pediatric Sepsis Outcomes Quality Improvement Collaborative of the Children's Hospital Association - a collaborative of over 54 institutions dedicated to decreasing mortality and morbidity from sepsis. He was the chairman of the Pediatric Septic Shock Collaborative of the American Academy of Pediatrics and the former chairman of a pediatric asthma collaborative for the Texas Pediatric Society. He serves as the executive director of the national Emergency Medical Services for Children (EMSC) Innovation and Improvement Center, utilizing improvement science to support the EMSC program in 58 states and territories. Most recently, he was elected to the newly created subspecialty seat on the Board of Director’s for the American Academy of Pediatrics.